136754258809 has 15 divisors (see below), whose sum is σ = 159558284357. Its totient is φ = 117202404396.

The previous prime is 136754258789. The next prime is 136754258821. The reversal of 136754258809 is 908852457631.

The square root of 136754258809 is 369803.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 136754258809 - 2¹⁵ = 136754226041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136754258899) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18116574 + ... + 18124120.

It is a 1-persistent number, because it is pandigital, but 2⋅136754258809 = 273508517618 is not.

Almost surely, 2^136754258809 is an apocalyptic number.

136754258809 is the 369803-rd square number.

136754258809 is the 184902-nd centered octagonal number.

It is an amenable number.

136754258809 is a deficient number, since it is larger than the sum of its proper divisors (22804025548).

136754258809 is an frugal number, since it uses more digits than its factorization.

136754258809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15122 (or 7554 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 136754258809 in words is "one hundred thirty-six billion, seven hundred fifty-four million, two hundred fifty-eight thousand, eight hundred nine".